| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For OTTR | |||||
| 2026-08-11 | Knutson, Paul L | VP, Human Resources | Sold | 475 | $94.63 |
| 2026-08-10 | Knutson, Paul L | VP, Human Resources | Sold | 250 | $92.84 |
| 2026-08-07 | Knutson, Paul L | VP, Human Resources | Sold | 725 | $0.00 |
| 2026-08-07 | Knutson, Paul L | VP, Human Resources | Purchased | 250 | $0.00 |
| 2026-08-07 | Knutson, Paul L | VP, Human Resources | Sold | 3500 | $93.11 |
| 2026-08-07 | Knutson, Paul L | VP, Human Resources | Purchased | 475 | $0.00 |
| 2026-04-13 | Ludford, Mary E | Director | Purchased | 1500 | $0.00 |
| 2026-04-13 | Erickson, John D | Director | Purchased | 1500 | $0.00 |
| 2026-04-13 | Rasche, Steven P | Director | Purchased | 1900 | $0.00 |
| 2026-04-13 | Clark, Christopher B | Director | Purchased | 1900 | $0.00 |
| 2026-04-13 | Lebeau, Michael E | Director | Purchased | 1500 | $0.00 |
| 2026-04-13 | Partain, Nathan I | Director | Purchased | 2000 | $0.00 |
| 2026-04-13 | Webb, Thomas J | Director | Purchased | 1500 | $0.00 |
| 2026-04-13 | Crain, Jeanne H | Director | Purchased | 1500 | $0.00 |
| 2026-04-13 | Wahlund, Todd R | Senior Vice President | Purchased | 300 | $0.00 |
| 2026-04-13 | Rogelstad, Timothy J | President | Purchased | 1400 | $0.00 |
| 2026-04-13 | Smestad, Jennifer O. | SVP General Counsel & Corp Sec | Purchased | 5800 | $0.00 |
| 2026-04-13 | Nelson, Tyler J | VP, Chief Financial Officer | Purchased | 800 | $0.00 |
| 2026-04-13 | Johnson, Kathryn O | Director | Purchased | 1500 | $0.00 |
| 2026-04-08 | Wahlund, Todd R | Chief Financial Officer | Sold | 186 | $90.11 |